update README.md

source/patterns/@aws-solutions-constructs/aws-apigatewayv2websocket-sqs/README.md

@@ -103,7 +103,9 @@ new ApiGatewayV2WebSocketToSqs(this, "ApiGatewayV2WebSocketToSqsPattern", new Ap
 |deadLetterQueueProps?|[`sqs.QueueProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_sqs.QueueProps.html)|Optional properties to use for creating dead letter queue. Note that if you are creating a FIFO Queue, the dead letter queue should also be FIFO.|
 |maxReceiveCount|`number`|The number of times a message can be unsuccessfully dequeued before being moved to the dead-letter queue.|
 |createDefaultRoute?|`boolean`|Whether to create the default route (`$default`) on the WebSocket.|
-|defaultRouteRequestTemplate?|`{ [contentType: string]: string }`|Optional API Gateway Request Template for the default route. This property will only be used if createDefaultRoute is `true`. If createDefaultRoute is `true` and this property is not provided, the construct will create the default route with the following VTL configuration `"Action=SendMessage&MessageGroupId=$input.path('$.MessageGroupId')&MessageDeduplicationId=$context.requestId&MessageAttribute.1.Name=connectionId&MessageAttribute.1.Value.StringValue=$context.connectionId&MessageAttribute.1.Value.DataType=String&MessageAttribute.2.Name=requestId&MessageAttribute.2.Value.StringValue=$context.requestId&MessageAttribute.2.Value.DataType=String&MessageBody=$util.urlEncode($input.json($util.escapeJavaScript('$').replaceAll(\"\\\\'\",\"'\")))"`
+|defaultRouteRequestTemplate?|`{ [contentType: string]: string }`|Optional API Gateway Request Template for the default route. This property will only be used if createDefaultRoute is `true`. If createDefaultRoute is `true` and this property is not provided, the construct will create the default route with the following VTL configuration `"Action=SendMessage&MessageGroupId=$input.path('$.MessageGroupId')&MessageDeduplicationId=$context.requestId&MessageAttribute.1.Name=connectionId&MessageAttribute.1.Value.StringValue=$context.connectionId&MessageAttribute.1.Value.DataType=String&MessageAttribute.2.Name=requestId&MessageAttribute.2.Value.StringValue=$context.requestId&MessageAttribute.2.Value.DataType=String&MessageBody=$util.urlEncode($input.json($util.escapeJavaScript('$').replaceAll(\"\\\\'\",\"'\")))"`.|
+|createDefaultRoute?|`boolean`|Add IAM authorization to the $connect path by default. Only set to false if: 1) If plan to provide an authorizer with the `$connect` route; or 2) The API should be open (no authorization) (AWS recommends against deploying unprotected APIs). If an authorizer is specified in connectRouteOptions, this parameter is ignored and no default IAM authorizer will be created. |
+
 
 ## Pattern Properties